868538164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{120163}}^1$

素因数の和:120319

約数の個数: 24

約数和(自身を含む): 1648650080

約数和(自身を除く): 780111916

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 120163, 240326, 480652, 1562119, 3124238, 6248476, 16702657, 33405314, 66810628, 217134541, 434269082, 868538164]

約数ペア:

[(1, 868538164), (2, 434269082), (4, 217134541), (13, 66810628), (26, 33405314), (52, 16702657), (139, 6248476), (278, 3124238), (556, 1562119), (1807, 480652), (3614, 240326), (7228, 120163)]